﻿#include <iostream>
#include <random>
using namespace std;
int main()
{
	random_device rd;
	//
	产⽣随机整数
		uniform_int_distribution<int> dist(100, 999);
	cout << dist(rd) << endl;
	//
	产⽣随机⼩数
		uniform_real_distribution<double> u(1.0, 3.0);
	cout << u(rd) << endl;
}